diff options
Diffstat (limited to 'lib/Target/Sparc/SparcISelLowering.cpp')
| -rw-r--r-- | lib/Target/Sparc/SparcISelLowering.cpp | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/lib/Target/Sparc/SparcISelLowering.cpp b/lib/Target/Sparc/SparcISelLowering.cpp index 8d9957943b..af4288057e 100644 --- a/lib/Target/Sparc/SparcISelLowering.cpp +++ b/lib/Target/Sparc/SparcISelLowering.cpp @@ -740,17 +740,29 @@ static void LookThroughSetCC(SDValue &LHS, SDValue &RHS, } } -static SDValue LowerGLOBALADDRESS(SDValue Op, SelectionDAG &DAG) { +SDValue SparcTargetLowering::LowerGlobalAddress(SDValue Op, + SelectionDAG &DAG) { GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal(); // FIXME there isn't really any debug info here DebugLoc dl = Op.getDebugLoc(); SDValue GA = DAG.getTargetGlobalAddress(GV, MVT::i32); SDValue Hi = DAG.getNode(SPISD::Hi, dl, MVT::i32, GA); SDValue Lo = DAG.getNode(SPISD::Lo, dl, MVT::i32, GA); - return DAG.getNode(ISD::ADD, dl, MVT::i32, Lo, Hi); + + if (getTargetMachine().getRelocationModel() != Reloc::PIC_) + return DAG.getNode(ISD::ADD, dl, MVT::i32, Lo, Hi); + + SDValue GlobalBase = DAG.getNode(SPISD::GLOBAL_BASE_REG, dl, + getPointerTy()); + SDValue RelAddr = DAG.getNode(ISD::ADD, dl, MVT::i32, Lo, Hi); + SDValue AbsAddr = DAG.getNode(ISD::ADD, dl, MVT::i32, + GlobalBase, RelAddr); + return DAG.getLoad(getPointerTy(), dl, DAG.getEntryNode(), + AbsAddr, NULL, 0); } -static SDValue LowerCONSTANTPOOL(SDValue Op, SelectionDAG &DAG) { +SDValue SparcTargetLowering::LowerConstantPool(SDValue Op, + SelectionDAG &DAG) { ConstantPoolSDNode *N = cast<ConstantPoolSDNode>(Op); // FIXME there isn't really any debug info here DebugLoc dl = Op.getDebugLoc(); @@ -758,7 +770,16 @@ static SDValue LowerCONSTANTPOOL(SDValue Op, SelectionDAG &DAG) { SDValue CP = DAG.getTargetConstantPool(C, MVT::i32, N->getAlignment()); SDValue Hi = DAG.getNode(SPISD::Hi, dl, MVT::i32, CP); SDValue Lo = DAG.getNode(SPISD::Lo, dl, MVT::i32, CP); - return DAG.getNode(ISD::ADD, dl, MVT::i32, Lo, Hi); + if (getTargetMachine().getRelocationModel() != Reloc::PIC_) + return DAG.getNode(ISD::ADD, dl, MVT::i32, Lo, Hi); + + SDValue GlobalBase = DAG.getNode(SPISD::GLOBAL_BASE_REG, dl, + getPointerTy()); + SDValue RelAddr = DAG.getNode(ISD::ADD, dl, MVT::i32, Lo, Hi); + SDValue AbsAddr = DAG.getNode(ISD::ADD, dl, MVT::i32, + GlobalBase, RelAddr); + return DAG.getLoad(getPointerTy(), dl, DAG.getEntryNode(), + AbsAddr, NULL, 0); } static SDValue LowerFP_TO_SINT(SDValue Op, SelectionDAG &DAG) { @@ -912,8 +933,8 @@ LowerOperation(SDValue Op, SelectionDAG &DAG) { case ISD::FRAMEADDR: return SDValue(); case ISD::GlobalTLSAddress: llvm_unreachable("TLS not implemented for Sparc."); - case ISD::GlobalAddress: return LowerGLOBALADDRESS(Op, DAG); - case ISD::ConstantPool: return LowerCONSTANTPOOL(Op, DAG); + case ISD::GlobalAddress: return LowerGlobalAddress(Op, DAG); + case ISD::ConstantPool: return LowerConstantPool(Op, DAG); case ISD::FP_TO_SINT: return LowerFP_TO_SINT(Op, DAG); case ISD::SINT_TO_FP: return LowerSINT_TO_FP(Op, DAG); case ISD::BR_CC: return LowerBR_CC(Op, DAG); @@ -1054,5 +1075,5 @@ SparcTargetLowering::isOffsetFoldingLegal(const GlobalAddressSDNode *GA) const { /// getFunctionAlignment - Return the Log2 alignment of this function. unsigned SparcTargetLowering::getFunctionAlignment(const Function *) const { - return 4; + return 2; } |